Air India — Ticket refund

I have cancelled the air india ticket in may 2020. But till now I did not give any refund. I asked to my agent (holiday duniya, Gwalior MP) They said we can not do anything we have create RA no you track with air india.

S. No. E-Ticket No. 098 [protected]

Passenger's Last and First Name -
SINGH/ANGREJMR

Flight Number -
AI-162
Date of travel[protected]

RA No - [protected]